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Date ____________ Period ________
CP Bio Cells & Cell Transport Test Review
Cell Organelles & Functions
1. Complete the chart below for all of the organelles.
Organelle
Function
Cell Membrane
Control center of the cell, contains the DNA
Chloroplast
Cytoplasm
Site of protein synthesis
Cell Wall
Where energy (ATP) is produced for the cell. Known as the powerhouse of
the cell.
Golgi Body
Controls what goes in and out of the nucleus
Stores water for the cell. Plant cells have one large central. Animal cells
small and numerous.
Transports membrane and secretory proteins inside of a cell from the
nucleus to the Golgi Body via transport vesicles.
Nucleolus
1. List the 4 structures that are common to all cells (both prokaryotic and eukaryotic), and define their
function.
1.
2.
3.
4.
2. Why are prokaryotic cells so much smaller than eukaryotic cells? (What are prokaryotic cells missing?
Give a few examples)
3. Based on your answer to number 2, why is it okay for prokaryotic cells to be so small (aka: how can
they still function)?
4. Put the following terms in order from smallest to largest:
organism, tissue, organelle, cell, organ, organ system
______________  _______________  _________________  ______________ 
________________  __________________
5. List the 3 parts of the cell theory.
1.
2.
3.
6. Use the terms cell membrane, rough ER, Golgi Body, transport vesicle, and secretory vesicle to
describe how proteins are made in a cell, then leave a cell. You may draw a picture and number the steps
if you would prefer.
Cell Transport
1. What is a concentration gradient?
2. Explain passive transport, and then match the three forms of passive transport to their proper
definitions.
A. Passive Transport is:
The three types are:
1. Diffusion ______
2. Osmosis _______
3. Facilitated Diffusion _________
A. Some molecules like glucose and large
proteins are too big to get across the
phospholipid bilayer of the cell membrane
so they need a HELPER. The helper is a
carrier protein in the cell membrane that
allows these large particles to move into a
cell. This requires no ATP and molecules
still move from a higher concentration level
to a lower concentration level.
B. This is the diffusion of water. Requires no
ATP from the cell and moves water from
where it is found in a higher concentration
to a lower concentration.
C. When molecules spread from an area of
where they are found to be in a higher
concentration to an area where they are
found in a lower concentration. (Food
coloring spreading out in water, or iodine
moving into the dialysis tubing).
3. Explain active transport, and then match the three forms of active transport to their proper
definitions.
A. Active transport is:
The three types of active transport and their definitions are:
1. Endocytosis _______
2. Exocytosis ________
4. Sodium Potassium Pump _______
A. When solid particles or liquids are
pushed OUT of a cell, this requires
energy (ATP) for a cell to move
molecules this way.
B. When solid particles or liquids are
brought IN to a cell, this requires energy
(ATP) for a cell to move molecules this
way.
C. This form of transport uses a protein in
the cell membrane that pumps three
sodium (Na) ions out of the cell and in
exchange pulls two potassium (K) ions
into the cell to keep the heart beating.
This form of transport uses energy
(ATP) to run the protein pump.
3. Draw a red blood cell in an isotonic, hypertonic, and hypotonic solution. Draw dots to show the solute
concentration and draw arrows to show which way the water would move. (Osmosis) Explain why water
is moving via osmosis in the direction it is moving in.
Isotonic
Hypertonic
Hypotonic
5. How do you know the dialysis tubing was semi-permeable? (What could move? What couldn’t
move?)